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332 Telephony Hardware Selection and Settings
P0993133 03
Line and extension numbers for specific modules
The switch settings on the media bay module determine the line numbers and extension numbers
the modules use. The tables in this section show the correspondence between DS30 numbers,
switch settings, and the line/extension numbers for each type of module. The DS30 number and
switch settings correspond with Table 52 on page 328.
DTM switch settings
Although DTMs have more than 16 lines, they occupy only one DS30 bus per DTM.
Table 54 shows the switch settings for each DS30 bus, and the resulting line assignments.
Table 55 shows the switch settings for each DS30 bus, and the resulting line assignments.
Table 54 DTM switch settings (T1)
Select
DS30
bus
Enter these switch settings
To
assign
these
lines
Select
DS30
bus
Enter these switch
settings
To assign
these lines
123456 123456
2
on on on on on on
211-234
5
on on on on
off off
121-144
3
on on on on on
off
181-204
6
on on on
off
on on
91-114
4
on on on on
off
on
151-174
***7
on on on
off
on
off
61-84
***If your system is configured with a 3/5 DS30 channel split, DS30 7 is not available.
Table 55 DTM switch settings (North American PRI)
Select
DS30
bus
Enter these switch settings To assign
these
lines
Select
DS30
bus
Enter these switch settings To assign
these
lines
123456 1 2 3 4 56
2
on on on on on on
211-233 5
on on on on
off off
121-143
3
on on on on on
off
181-203 6
on on on
off
on on
91-113
4
on on on on
off
on
151-173 ***7
on on on
off
on
off
61-83
***If your system is configured with a 3/5 DS30 channel split, DS30 7 is not available.